Shelf life vs expiry date: Here's the difference
Raise your hand if you've seen a label featuring a container with a number encased in it on the back of your favourite concealer and wondered what it might mean. If you are someone who's always been confused when a packaged item mentions shelf life rather than a best-before or a use-by date then you aren't the only one. Keep reading to understand the exact difference between your product's expiry date and shelf life.
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What is an expiry date?
The expiry date, formally known as the 'expiration date' is the predetermined date printed on an item that signifies the last date a manufacturer guarantees the product¡¯s full potency and safety. In simpler words, this date indicates the last date until which the product is safe to be used or consumed, in case of food or medicine. It does not matter when the seal of the product was opened the product should not be used post its expiration date.
What is shelf life?
However, the shelf life which is depicted by an open jar with a number, is merely the period the product remains?effective?or potent after it has been opened. Shelf life is similar to the terms 'use by', 'sell by' or best before and is denoted by the period after opening (PAO) symbol.
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Guide to understand labels
It is imperative for your health and well-being to understand and distinguish between all these terms. Generally mentioned on non-perishable items, 'best before' is usually used to insinuate the quality of a product, such as taste and texture. While it may not be harmful to consume such products even after their 'best before' date they may not taste as good or lose their intended texture. On the other hand, using or consuming a product after its 'expiry date' can lead to serious and detrimental consequences as they relate to your safety, particularly in the case of perishable food items, cosmetics and medicines.
Also, pay close attention in cases where a product's 'shelf life' is mentioned. More often than not, strict usage and storage instructions are given once a product is opened to maintain its efficacy. For instance, once opened cosmetic products should be kept away from direct sunlight and should be stored in a cool and dark place.
Paying close attention to labels and fine print information cited on your product and adhering to the guidelines provided by the manufacturers not only keeps you safe but also greatly improves your experience with the product.
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